5305-01-667-1243

Find complete technical information, availability, and procurement data for: 5305-01-667-1243
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-667-1243

Item Name Code

29294

Assigment Date

10/04/2017 (8 years ago)

An item consisting of a conductor or a system of conductors specifically designed to radiate and/or receive electromagnetic waves in free space. May include beam-forming devices, drive motors, synchros, radome, and associated mechanical structure.

0.403 inches nominal thread length, right-hand thread direction, 3a thread class, pan no. 2 head style, 0.7155 inches nominal fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.403 inches nominal
Fastener Length: 0.7155 inches nominal
Head Style: pan no. 2
Head Diameter: 0.477 inches minimum and 0.492 inches maximum
Head Height: 0.140 inches minimum and 0.150 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.3125 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std 1st material response or ams 5732 assn std 2nd material response or ams 5737 assn std 3rd material response or ams 5853 assn std 4th material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ams 2700, method 1, class 4 assn std single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1578 professional/industrial association standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
NAS1578C4H5	Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-667-1243?

The FSCG of the NSN 5305-01-667-1243 is 5305

Does the NSN 5305-01-667-1243 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-667-1243 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5305-01-667-1243 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-667-1243 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5305-01-667-1243 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Wed, Oct 4, 2017